msem-instigator

As long as Champion of Ideals has one or more +1/+1 counters on it, it's an Angel with base power and toughness 4/4, flying, vigilance, and lifelink.
{3}{G}: Judge target creature you control. Activate only as a sorcery. (Honor it by putting a +1/+1 counter on it or condemn it by sacrificing it to draw a card.)

Exile target creature. That creature's controller creates a 1/1 white Soldier creature token, then judges that token. (They honor it by putting a +1/+1 counter on it or condemn it by sacrificing it to draw a card.)

Flash
Flying, lifelink, deathtouch
When Chosen of Aminatou enters, scry 2, then draw a card.

Target creature you control gains protection from everything until end of turn.

Collapsing Ramparts deals damage to target creature equal to twice the number of Satrapies you control.

Whenever you draw a card, you may exile the top card of your library.
{3}{U}{U}, Sacrifice Collector of Memories: Shuffle your hand into your library, then put each card exiled with Collector of Memories into its owner's hand.

Whenever one or more creatures you control with counters on them attack, draw a card.

Counter target spell unless its controller pays {X}. Scry 2.

Enchant creature
Enchanted creature is a blue Shaman with base power and toughness 0/2, has “{2}, {T}: Scry 1,” and loses all other abilities.

When Conquerer's Blade enters, create a 1/1 white Soldier creature token and attach Conquerer's Blade to it.
Equipped creature gets +1/+0 and has first strike.
Equip {3}

Constructed Jay is all colors.
Constructed Jay gets +1/+0 and has flying as long as you control three or more Satrapies.

Scry 2, then draw two cards. You gain 2 life.
Monument {2}{W}{U} (You may cast this transformed from your graveyard for its monument cost. Exile it if it would leave the battlefield or not resolve.)

Whenever an opponent casts a spell, that player gets a poison counter unless they pay {1}.
As long as an opponent has five or more poison counters, Corrupted Soothsayer gets +2/+1 and has flying.

Cosmic Coalescing deals X damage to any target. You may reveal a noncreature card with mana value X or less you own from outside the game and put it into your hand. X can't be 0.
Exile Cosmic Coalescing.

You may reveal any number of creature cards you own from outside the game with the same name and put them into your hand. Exile Cosmic Lineage.

Flash
Enchant creature
Enchanted creature gets +3/+3.

Creatures you control gain trample until end of turn.
Draw a card.

You may play an additional land this turn.
Draw a card.
Acquiesce (If you cast this spell from your hand, exile it as it resolves. When one or more creatures you control deal combat damage to an opponent, you may cast this card from exile without paying its mana cost.)

Gain control of target creature until end of turn. Untap it. Until end of turn, it gains haste and “This creature can't be blocked.”
{1}, Discard Cruel Heartbeat: Add one mana of any color. Scry 1.

You may look at the top card of your library.
{T}: You may play the top card of your library.

Whenever three or more creatures you control attack, you may attach Cyrukan Battleaxe to target attacking creature.
Equipped creature gets +1/+0 and has double strike.
Equip {4}

Vigilance
When Cyrukan Guardians enters, recruit. (Create a 0/0 white Soldier Army creature token, then put a +1/+1 counter on each Army you control.)

Equipped creature gets +2/+2 and has lifelink and vigilance.
Equip Angel {2}
Equip {5}

Equipped creatures you control get +1/+1 for each Equipment attached to them.
Whenever Cyrukan's Devoted attacks, create a Weapon token and attach it to target attacking creature you control. (It's an Equipment artifact with equip {2} and “Equipped creature gets +1/+1.”)

Flying
When Cyrukan's Messenger enters, you may search your library for an Equipment card, reveal it, put it into your hand, then shuffle.
Whenever Cyrukan's Messenger attacks, you may put an Equipment card from your hand onto the battlefield attached to Cyrukan's Messenger.